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Data.

This dataset was collected by Citizen Scientists at an official 'Survey Area' as part of the Litter Intelligence long-term litter monitoring programme. The data are freely and openly accessible to anyone. Download the raw data, share this survey, and learn more about the data collection methodology through the links at the bottom of the page.

Litter Survey

beach-icon Beach.

Marlborough Sounds - Manaroa Head

5 November 2026

Manaroa Litter Monitoring Group

Lynley Offen

Overview

C

3

3.0

4.0

100m x 20m

Mixed Substrate

Items per 1,000m2

336

Products

673

12205

Type Count Weight (g)
Plastic 655 11632
Resin pellets C N/A
Shotgun wadding & shells 7 14
Straws 1 1
Food containers 3 59
Bottle caps & lids 12 38
Food wrappers 11 30
Unidentifiable soft plastic fragments 71 170
Gardening & farming related 22 101
Vapes 2 9
Unidentifiable hard plastic fragments 72 171
Mesh bags 2 2
Hangers & retail packaging 1 2
Plastic buoys 12 9538
Bottle seals & tabs 1 2
Rope 438 1495
Foamed Plastic 9 2
Unidentifiable foamed plastic fragments 9 2
Glass & Ceramic 7 394
Bottles & jars 7 394
Metal 1 111
Other cans (<= 4 L) 1 111
Fabric & Textiles 1 66
Clothing, towels and linen 1 66

Materials

  • Would you like to analyse the data yourself?
  • Or share if you think this data would be interesting to others.
  • If you would like to learn how this data was collected. Our Methodology

Previous survey in this area

Marlborough Sounds - Manaroa Head Manaroa Litter Monitoring Group
04 Apr, 2026
Items per 1,000m2
506
94%